To move swiftly on foot so that both feet leave the ground during each stride.
예문
1. hit and run (치고 달리기를 하다) 2. The cost runs to several million dollars. (그 비용은 수백만 달러에 이른다) 3. The engine runs on gasoline. (엔진은 휘발유로 돈다) 4. He ran the horse up and down. (그는 말을 몰아 여기저기를 달렸다) 5. He ran to meet her. (그는 급히 가서 그녀를 맞이하였다)
